["Features: Made of high-quality materials, durable, high strength, anodized treatment, no fading. Using full ceramic non-resistance bearing, friction power consumption is reduced, and lubrication is unimpeded. The frame is made of high-strength and lightweight carbon fiber material, which is safe and stable. 17 teeth big guide wheel, stable and fast speed change Precision screws fix the guide wheel, no looseness, safe riding. TW-105 compatible: R7000 rear derailleur TW-XL compatible: R8000/R8050/R8070/R9170/R9150/R9100 rear derailleur TW-XL-2 compatible: R6700 R6770 R6800 R6870 R9000 R9070 rear derailleur Bicycle carbon fiber ceramic rear derailleur guide wheel Set only,other accessories demo in the picture is not included. Specification: Material: Carbon fiber + aluminum alloy + ceramic guide wheel Length: app.14cm/5.51in Optional Color: Black, Red Optional Style: TW-105, TW-XL, TW-XL-2 Quantity: 1 Set Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents: 1 Set x Bicycle carbon fiber ceramic rear derailleur guide wheel"]<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store